Home / 38,918.48-58,374.12-10,838.96

Finding the Fourth Proportional to 38,918.48, 58,374.12 and 10,838.96

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Solution

The fourth proportional to 38,918.48, 58,374.12 and 10,838.96 is: 16,257.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,918.48 : 58,374.12 = 10,838.96 : x
  2. Step 2: Convert to fraction form
    38,918.48/58,374.12 = 10,838.96/x
  3. Step 3: Cross multiply
    38,918.48x = 58,374.12 × 10,838.96
  4. Step 4: Simplify right side
    38,918.48x = 632,714,751.72
  5. Step 5: Solve for x
    x = 632,714,751.72/38,918.48
  6. Step 6: Final answer
    x = 16,257.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.